Experts are increasingly warning that poor sleep leads to obesity and poor general health. They say that sleep deprivation influences weight by increasing appetite and reducing levels of physical activity. Harvard researchers have even linked exposure to blue light at night to several types of cancer (breast, prostate) diabetes, heart disease and an increased risk of depression.Can't sleep? You're probably suffering from excess artificial light in the evening. An overwhelming body of new medical research has found that this exposure to high energy blue light seriously disrupts your sleep. And long periods of time in front of electronic devices such smartphones, tablets, computers and televisions causes digital eye strain or computer vision syndrome.

Sore Eyes? Optometrists are predicting an epidemic of premature macular degeneration (vision loss) from prolonged exposure to digital devices. The American Macular Degeneration Foundation reports that "the blue rays of the spectrum seem to accelerate age-related macular degeneration (AMD) more than any other rays in the spectrum". There is a solution! Swannies Blue Light Blocking Glasses improve your sleep and health by filtering out harmful artificial light from digital devices. Wearing these FDA-registered glasses at least an hour before bed allows you to use phones, tablets, computers and e-readers freely without disrupting your sleep.